If you have had knee replacement surgery on a knee with degenerative joint disease or after a bad knee injury, you may be able to get Social Security disability benefits.
With your doctor's support and good medical records, getting disability for spinal stenosis is not out of reach, especially if you have difficulty walking.
Social Security Disability Insurance (SSDI) is not based on having a limited income. In order to be eligible for SSDI, you must have worked a certain length of time and paid Social Security taxes.